gnome-terminal -x bash -c "source /home/s/sss/programming/lidar-sim/fastlio_ws/devel/setup.bash;roslaunch livox_ros_driver livox_lidar.launch; exec bash"
sleep 2s
gnome-terminal -x bash -c "source /home/s/sss/programming/lidar-sim/fastlio_ws/devel/setup.bash; roslaunch fast_lio mapping_avia.launch; exec bash"